Alex Wilson 1d6c7b6cb6 Big change deriving BLayout from BLayoutItem, and allowing viewless BLayouts. ... a few highlights: * BLayout now derives publicly from BLayoutItem * Added BAbstractLayout class, which our layouts now derive from * updated layout builders to avoid creating views when they don't need to * updated layout classes * updated AboutSystem to fix a little regression * more details on #6407 * please tell me about any regressions, I've tried to find them all, but some may have slipped by. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38207 a95241bf-73f2-0310-859d-f6bbb57e9c96		2010-08-17 18:43:41 +00:00
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Area.h	* Simplified and optimized a lot the "ToString()" debugging facilities.	2009-12-06 13:14:45 +00:00
BALMLayout.h	Big change deriving BLayout from BLayoutItem, and allowing viewless BLayouts.	2010-08-17 18:43:41 +00:00
Column.h
LayoutStyleType.h
Row.h
XTab.h
YTab.h